Jay-Z, Kanye West and Beyonce unites music's biggest stars to launch new Tidal streaming service...

A host of the biggest name in music industry have joined forces to launch Tidal, a  streaming service being billed as the first artist owned platform for music and videos Rihanna, Beyonce, Madonna, Daft Punk, Jack White, and Kanye West joined a host of others as they were revealed as Co-owners if the subscription service, which is the brainchild of Jay-Z.

The celebrities which also included Nicki Minaj, Jason Aldean, User, Alcade fire and Deadmau5 stood in a line and in solidarity by mostly wearing black onstage as keys spoke to the audience at skylight at moynihan station in Manhattan.

Keys called the event a graduation.
"So we come together before you today 30th March 2015 in one voice, in unity in the hope that today will be another one of those moments in time, a moment that will forever change the course of music history. For today, we announce of Tidal, the first ever artist owned global music and entertainment platform...keys said" more pics after the cut...